Famciclovir Drug Information

• Famciclovir

Famciclovir is an antiviral medication that is used for treating shingles, genital herpes, and cold sores. This eMedTV article offers dosing information for famciclovir, explains how the drug works, and describes the effects of the medicine.

• Side Effects of Famciclovir

Some of the most common side effects of famciclovir include diarrhea, headaches, and nausea. This page on the eMedTV Web site lists other common famciclovir side effects and describes serious problems that should be reported to a healthcare provider.

• What Is Famciclovir Used For?

Famciclovir is used for the treatment of genital herpes, shingles, and cold sores in adults. This part of the eMedTV library further explains what famciclovir is used for and discusses possible "off-label" famciclovir uses.

• Famciclovir Dosing

For the treatment of a cold sore, most people take a single famciclovir dosage of 1500 mg. This eMedTV page also offers famciclovir dosing recommendations for the treatment of shingles, genital herpes, and herpes simplex infections.

• Drug Interactions With Famciclovir

Certain medicines (such as digoxin and probenecid) can cause famciclovir drug interactions. This part of the eMedTV archives describes the problems that may occur when you take digoxin or probenecid together with famciclovir.

• Precautions and Warnings With Famciclovir

Famciclovir should be taken at the first signs of shingles, cold sores, or genital herpes. This eMedTV segment contains other important precautions and warnings with famciclovir and explains who should avoid taking the medication.